A thousand years ago, early Pueblo people, called Chacoans, captured their experiences of a total solar eclipse by carving it into a rock — a circle with looping streamers that resemble the sun's outer atmosphere, or corona.
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New smart-window technology that can tint glass, changing it from fully transparent to dark in less than 1 minute, could help cut the costs of heating and cooling buildings by up to 20 percent, according to a new study.
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Franklin advanced a scientific – not supernatural – understanding of astronomical events such as eclipses. His satirical character 'Poor Richard' mocked those who bought into astrological predictions.
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